不同包装方法对蓝莓采后贮藏品质和抗氧化活性的影响

doi:10.3864/j.issn.0578-1752.2013.06.017

摘要/Abstract

摘要： 【目的】研究低温条件下,不同包装方法对蓝莓果实采后贮藏品质和抗氧化活性的影响，探索适宜的贮藏包装方式，为蓝莓保鲜技术的发展与应用提供理论指导。【方法】以‘灿烂’蓝莓品种为试材，在(5±0.5)℃贮藏条件下，分别采用不打孔聚乙烯（PE）保鲜袋、打孔聚乙烯保鲜袋包装和不包装处理。通过分析营养品质、抗氧化酶活性和抗氧化物质含量等指标的变化，探讨包装方式对蓝莓采后贮藏品质及抗氧化活性的影响。【结果】蓝莓果实在低温贮藏条件下，采用PE保鲜袋包装能有效防止果实失水、延缓硬度和可溶性固形物(TSS)的变化，并能较好维持果实抗氧化性能，但对可滴定酸含量变化无显著影响。【结论】采用不同包装方式对蓝莓贮藏品质存在明显差异，其效果依次为：不打孔PE袋＞打孔PE袋＞无膜包装。

关键词: 蓝莓 , 包装 , 贮藏品质 , 抗氧化活性

Abstract: 【Objective】This research was conducted to study the effect of packaging on the postharvest quality and the antioxidant activity of blueberry, and to explore the optimal packaging methods at low temperature. Further theoretical guide for the development and application of storage technique of blueberry.【Method】‘Canlan’ blueberry fruits were stored at (5±0.5)℃ using unpacked, polyethylene (PE) film packaging and perforated PE film packaging. Based on sensory evaluation and analyses of antioxidant enzyme activities and antioxidant contents, the effects of different packaging methods on the postharvest quality and the antioxidant capacity of blueberry were studied. 【Result】The results showed that, as compared to other two packagings, the PE film packaging was significantly better in preventing dehydration and atrophy, slowing down the changes of hardness and the total-soluble solids (TSS), and maintaining the antioxidant capacity of blueberry during storage. However, the PE film packaging showed no significant effect on titratable acid (TA) content. 【Conclusion】 Different packagings exhibited a great effect on the storage quality of blueberry fruit. By the end of the storage period (42 days), the fresh-keeping effect of the PE film packaging method was better than that of the perforated PE film packaging or non-PE-packed method.

Key words: blueberry , packaging , postharvest quality , antioxidant capacity

陈杭君, 王翠红, 郜海燕, 毛金林, 周拥军. 不同包装方法对蓝莓采后贮藏品质和抗氧化活性的影响[J]. 中国农业科学, 2013, 46(6): 1230-1236.

CHEN Hang-Jun, WANG Cui-Hong, GAO Hai-Yan, MAO Jin-Lin, ZHOU Yong-Jun. Effect of Packaging on the Postharvest Quality and the Antioxidant Activity of Blueberry[J]. Scientia Agricultura Sinica, 2013, 46(6): 1230-1236.

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